Climatological Report (Daily)
Issued by NWS
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935
CDUS45 KRIW 210729
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT THU AUG 21 2025
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 20 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 95R 2:13 PM 90 2003 81 14 87
MINIMUM 54 5:07 AM 36 1964 52 2 53
2016
AVERAGE 75 66 9
PRECIPITATION (IN)
YESTERDAY 0.00 0.30 1979 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.36 -0.33 0.70
SINCE JUN 1 0.43 1.53 -1.10 1.21
SINCE JAN 1 2.74 5.04 -2.30 4.08
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 11 -1 7
SINCE JUN 1 79 191 -112 69
SINCE JUL 1 10 32 -22 14
COOLING
YESTERDAY 10 3 7 5
MONTH TO DATE 106 89 17 108
SINCE JUN 1 388 287 101 380
SINCE JAN 1 392 289 103 380
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 22 11:00 PM
LOWEST 6 2:00 PM
AVERAGE 14
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 92 2003
MINIMUM TEMPERATURE (F) 52 34 1966
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 6:31 AM MDT SUNSET 8:06 PM MDT
AUGUST 22 2025........SUNRISE 6:33 AM MDT SUNSET 8:05 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$